Seneca is an unincorporated community in the town of Seneca, Crawford County, Wisconsin, United States.

Seneca is on Wisconsin Highway 27 4 miles (6.4 km) south-southwest of Mount Sterling.

[2] Seneca has a post office with ZIP code 54654.

[3] Seneca Area School District and Seneca High School is located in the community.

This article about a location in Crawford County, Wisconsin is a stub.